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Rick
Registered Users
Posts:157
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| 06/27/2001 10:00 AM |
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lucleb asked the question in regards to aluminum or galvanized angle for use as a brickledge. My question is, why not use an EPS brickledge form? Also, doesn'the minimum bearing surface have to allow for at least 3 inches, plus a 1 inch space between the brick and the wall surface? And, if tying into an existing stud wall, isn't there a danger of any moisture getting through the brick settling on the bolts holding the angle to the wall, and thereby entering the stud, perhaps leading to intorduction of rot?
I am curious George.
Thanks all
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markross
Registered Users
Posts:1035
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| 06/27/2001 10:53 AM |
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Rick:
Upon advice from an engineer. In the North up were ya-all are (oh no, I've be Ohioised), the bigger concern is the thermal expansion co-efficient. Our daily temperature swings in late fall and early spring can be as much as 45 degrees celcius, causing the brick and steel to expand. The problem is that the steel will heat up faster than the mass of the brick, causing the steel to expand rapidly (in a relative sence). This can, and does drag the brick with it and cause the mortar joints to seperate. This is one of many problems with cold climate construction. I have learned that simply by using a more stable ledge, such as ICF or block, works far better and alieviates this problem.
Mark Ross
"Le Canuck" |
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Rick
Registered Users
Posts:157
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| 06/27/2001 12:48 PM |
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Thanks for the reply, Mark. I didn't even consider the thermal aspects of using aluminum or steel angle (yes, some Canadians DO know how to spell ALUMINUM!) Merci Beaucoup
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